Have you ever wondered why we wear clothes? I mean, beyond the obvious. Why does wearing a jacket in the cold keep your warmer? What is happening to all the heat inside your body? In this episode of ...

An introduction to modern theories of the universe and its evolution. Topics include naked eye observation, the solar system, stars, galaxies, and cosmology. Emphasis will be placed on the scientific ...

This course examines energy as a fundamental concept in physics and an essential element of human society. Basic principles of energy conservation and transformation are developed to understand ...

The best online physics courses allow you to start learning from the top schools and thinkers – and Black Friday is a great time to sign up. When you purchase through links on our site, we may earn an ...

Students who major in physics take the four courses in the Introductory Sequence to get an overview of the many topics and fields within physics. Physics majors then will take upper division courses ...

Growing dependence on science and technology in all areas of human life makes desirable the familiarity and knowledge with fundamental physics concepts without becoming a physics major. Physics ...

A research team from Penn State has broken a 165-year-old law of thermal radiation with unprecedented strength, setting the stage for more efficient energy harvesting, heat transfer and infrared ...